ML19322C178
| ML19322C178 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 07/05/1974 |
| From: | Schwencer A US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Thies A DUKE POWER CO. |
| Shared Package | |
| ML19322C179 | List: |
| References | |
| NUDOCS 8001090587 | |
| Download: ML19322C178 (4) | |
Text
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jut. 5 G74 DISTRIBUTIO1:
, AEC PDR LPDR Docket Files LWR 2-3 Reading VAMoore Docke,t Mo. 50-287 OGC '
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WOMiller, 0A Duke Power Company IPeltier ATTN: Mr. Austin C. Thies RChitwood, R&M Senior Vice President ASchwencer Production and Transmission ABraltman, A3I 422 South Church Street SKari P. O. r,ox 2178 ACRS (16)
Charlocte, North Carolina 23201 1 extra cy EGoulbourne (2)
Gentlemen:
In response to your request of 11ay 14,1974, the Atomic Energy Comission has issued an Order extending the construction completion date for Oconce Muclear Station, Unit 3.
In lieu of the completion
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date of June 30, 1974, as specified previously in Provisional Con-struction Femit No. CPPR-35, the latest completion date has been i
extended to Septer.ber 30, 1974.-
A copy of the Order, which has been transmitted to,the Office of the Federal P.egister for publication, is enclosed for your information.
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l Sincerely, i
.Origi:2al Signed By A. Schwencer I
A. Schwencer, Chief Light Uater Reactors Cranch 2-3 Directorate of Licensing
Enclosures:
1.
Order Extending Construction i
_ _ Completion Date,_ _.._
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.. Box 2178 422 South Church Street Charlotte. T orth Carolina 28201 lionoi able Reese A. !!ubbard I
County Supervisor of Oconee County I
Walhalla, South Carolina 29620 ifr. Dave Hopkins, Region IV Environmental Protection ligency 1421 Peachtree Street,it. W.
Atlanta, Georgia 30309 Mr. Elmer Whitten State Clearinghouse Office of the Governor I
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Columbia, South Carolina 29201 1
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Forma A&C 318 (Rev. 9 53) ABCM 0340 a
l DUKE POWER COMPAtlY (0conee riuclear Station, Unit 3)
Docket flo. 50-287 ORDER EXTEriDIriG COMPLETI0tl DATE Duke Power Company is the holder of Provisional Construction Permit
!!o. CPPR-35 issued by the Conniission on flovember 6,1957, for the con-struction of the Oconee fluclear Station, Unit 3, a 2568 megawatt (thermal) pressurized water nuclear reactor presently under construction at the Company's site in Oconee County, South Carolina, approximately eight miles j
northeast of Seneca, South Carolina.
On May 14, 1974 the Company requested an extension of the com-pletion date because construction of Unit 3 has been delayed due to (1) modification to high energy lines, (2) inspection and modification of reactor coolant pumps, and (3) materials shortage. The Director of Regulation having determined that this action involves no significant hazards consideration, and good cause having been shown, the bases for which are set forth in a staff evaluation, dated IT IS HEREBY ORDERED THAT the latest completion date for CPPR-35 is extended from June 30, 1974 to September 30, 1974.
FOR THE ATOMIC E!1ERGY COMMISS10ft Original Signed by gh.Giambusso A. Giambusso, Deputy Director j
for Reactor Projects Directorate of Licensing Date of Issuance: 3L 5 774 gDol090 W
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EVALUATION OF REQUEST FOR EXTEllSION OF_
CONSTRUCTION PERMIT NO. CPPR-35 FOR OCONEE NUCLEAR STATION. UNIT 3_
DOCKET NO. 50-287 Introduction _
Duke Power Company (the applicant) filed a request for an extens. ion of the completion date for the construction o On flay 14, 1974, Oconee fluclear Station, Unit 3.
d extension because of delays in construction and p Oconee Units 1 and 2.
i Discussion _
The applicant stated that the delay in completion is due to three factors, (i) modifications to high erergy lines outside containment (ii) inspection and modification of the reactor coolant pumps as a
) material result of the Unit 2 reactor coolant pump seal failure and (iii In addition, problems associated with operation of Unit 2 have impacted indirectly on Unit 3 construction by diverting manpowe shortages.
Unit 3 to Unit 2.
11odification to High Energy Lines 1.
The extent and construction materials delivery problems of the h l
td energy line plant modifications were not known and completely eva at the time (July 3,1973) the applicant requested th to June 30, 1974.
The original estimates and were beyond the control of the applicant.
staff has concluded that the applicant has made a best effort complete these modifications.
The safety of the the order of two weeks af ter materials were on in the public interest.
Inspection and Modification of Reactor Coolant Pumps 2.
Oconee Units i and 2 are the first B&W plants of their placed in operation.into the preparation of Unit 3 for operation measures and preventative modifications can be effected as soon a they are known.
22, 1974 Oconee 2 suffered a reactor coolant pump seal failure on January d
f which resulted in an extensive investigation as to caus detennined, Oconee 3 pumps were inspected and modified ac corrective measures.
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. The total impact on the Oconee 3 construction schedule is difficult to assess in view of the manpower diversion and decision factors (indirect factors) but the direct construction delay was on the order of two weeks once a course of action had been determ The safety of the plant is not affected by the delay.
3'. Materials Shortages Materials delivery has been a chronic problem during construction.
In particular, late delivery of valves during late 19 The safety of the plant is not affected by the delays in material deliveries which have had a net impact of about three applicant.
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weeks.
4.
Other Factors _
Taking into consideration the above known factors and their direct impact on the construction schedule and allowing approximately five weeks delay for the diversion of manpower from Unit 3 to Unit 2, the applicant is estimating that the earliest he can complete constructio This date, however, assumes that the remaining is July 24, 1974.
material delivery dates will be met by vendors and no time consuming Over a problems arise during preoperational testing now un estimate for fuel loading from August 7,1973 to October 6,1973 If a contingency (a period of two months) due to unforseen events. estimate, extending the 24, 1974 of this order is added to the July 30,1974 is construction latest completion date to September judged reasonable.
Conclusion _
The staff is cognizant of the above factors and conc Furthermore, the request proposes only an extension for construction.
of the~ construction completion date and does not involve any work not Therefore, the already allowed by the existing construction permit.
staff finds that this action does not involve any significant hazards consideration and concludes that the construction permit should be extended to September 30, 1974.
cri;;inal sigacq 37 Origina; s;gne3 y, A.Schwencer
- 1. Faitier A. Schwencer,' Chief
- 1. A. Peltier, Project Manager Light Water Reactors Branch 2-3 Light Water Reactors Branch 2-3 Directorate of Licensing Directorate of Licensing Date of Issuance:.R 5 W14
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